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Herbal Extract-Induced Silver Nanoparticles For Antibacterial Cotton Fabric

Sanjeev Kumar Rajput
Sanjeev Kumar Rajput
, 
Mukesh Kumar Singh
Mukesh Kumar Singh
 e 
Dinesh Babu Shakyawar
Dinesh Babu Shakyawar
   | 01 set 2023
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Article Category: Research Article
Pubblicato online: 01 set 2023
Pagine: 22 - 29
DOI: https://doi.org/10.2478/ftee-2023-0024
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© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

AgNPs size measurement
AgNPs size measurement

Fig. 2.

UV-Visible spectral analysis of nanosolution
UV-Visible spectral analysis of nanosolution

Fig. 3.

FTIR analysis of Ag-NPs solution
FTIR analysis of Ag-NPs solution

Fig. 4.

SEM analysis of silver nano particles
SEM analysis of silver nano particles

Fig. 5.

EDX Analysis of nano particles on aluminum foil
EDX Analysis of nano particles on aluminum foil

Fig. 6.

Crystalline behavior of Ag NPs
Crystalline behavior of Ag NPs

Fig. 7.

E. coli bacterial reduction % without washing and after 10 washes
E. coli bacterial reduction % without washing and after 10 washes

Fig. 8.

Role of chitosan in AgNPs adhesion on cotton fabric surface
Role of chitosan in AgNPs adhesion on cotton fabric surface

Fig. 9.

S. aureus bacterial reduction % without washing and after 10 washes
S. aureus bacterial reduction % without washing and after 10 washes

Variation in crystalline size, lattice parameter, and cell volume of biosynthesized NPs

‘2θ’ of Intense peak Plane (h, k, l) Crystalline size (D) nm Lattice constant (Å) Cell volume (Å3)
38.12 111 11.42 4.10 68.57
44.26 200 6.82 4.10 69.42
64.42 220 10.65 4.10 68.92
77.39 311 10.53 4.10 68.76

Antibacterial efficiency of treated samples

S. No. Sample Code Samples Bacterial reduction in % (E. coli) Antibacterial efficiency after 10th laundry Bacterial reduction in % (S. aureus) Antibacterial efficiency after 10th laundry in %
1. S1 Blank sample/untreated fabric -Nil- -Nil - -Nil- -Nil -
2. S2 Sample treated only with AgNPs-100 ppm 67.0% 38.5% 64.2 35.0
3. S3 Sample treated only with AgNPs-200 ppm 76.2% 42.3% 72.4 38.2
4. S4 Sample treated only with AgNPs-300 ppm 84.0% 45.2% 79.6 42.6
5. S5 Sample treated with-[chitosan 0.5% + AgNPs-100 ppm] 82.5% 71.2% 78.0 70.8
6. S6 Sample treated with-[chitosan 0.5% + AgNPs-200 ppm] 87.2% 76.5% 81.3 75.4
7. S7 Sample treated with-[chitosan 0.5% + AgNPs-300 ppm] 93.2% 82.4% 87.0 81.3
8. S8 Sample treated with-[chitosan 1% + AgNPs-100 ppm] 91.8% 80.1% 88.1 80.0
9. S9 Sample treated with-[chitosan 1%+ AgNPs-200 ppm] 94.6% 84.2% 91.2 83.7
10. S10 Sample treated with-[chitosan 1% + AgNPs-300 ppm] 97.8% 90.6% 94.8 89.5

Composition of the sample shown by EDX analysis

eZAF Smart Quant Results
Element Weight % Atomic % Net Int. Error % K ratio Z A F
AlK 36.46 69.64 762.37 4.12 0.2184 0.7175 0.8302 1.0054
AgL 63.54 30.36 419.26 3.71 0.3753 0.5538 1.0672 0.9995
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